Identify Numbers with 9 in the Thousands Place: Place Value Practice

Which number has a thousands digit of 9?

To solve this problem, we will check each number from the list of given choices to determine which one has a thousands digit of 9.

The thousands digit is the fourth digit from the right in a whole number. Let's examine each option provided:

• Choice 1: $15,691$
  Here, the digits from the right are: 1 (units), 9 (tens), 6 (hundreds), 5 (thousands). The thousands digit is 5, not 9.
• Choice 2: $23,954$
  The digits from the right are: 4 (units), 5 (tens), 9 (hundreds), 3 (thousands). The thousands digit is 3, not 9.
• Choice 3: $19,840$
  The digits from the right are: 0 (units), 4 (tens), 8 (hundreds), 9 (thousands). The thousands digit is 9, which matches our requirement.
• Choice 4: $90,001$
  The digits from the right are: 1 (units), 0 (tens), 0 (hundreds), 0 (thousands). The thousands digit is 0, not 9.

Based on the analysis, the number $19,840$ has a thousands digit of 9. Therefore, the correct choice is $19,840$.

Therefore, the solution to the problem is $19,840$.